diff --git a/lfs/tar b/lfs/tar
index 745b658e7..b4e8ff656 100644
--- a/lfs/tar
+++ b/lfs/tar
@@ -1,7 +1,7 @@
 ###############################################################################
 #                                                                             #
 # IPFire.org - A linux based firewall                                         #
-# Copyright (C) 2007-2023  IPFire Team  <info@ipfire.org>                     #
+# Copyright (C) 2007-2026  IPFire Team  <info@ipfire.org>                     #
 #                                                                             #
 # This program is free software: you can redistribute it and/or modify        #
 # it under the terms of the GNU General Public License as published by        #
@@ -80,9 +80,8 @@ $(subst %,%_BLAKE2,$(objects)) :
 $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 	@$(PREBUILD)
 	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
-
 	cd $(DIR_APP) && patch -Np1 -i $(DIR_SRC)/src/patches/tar/01_extract.c.patch
-
+	cd $(DIR_APP) && patch -Np1 -i $(DIR_SRC)/src/patches/tar/tar-1.35_Avoid_acl__prefix_for_functions.patch
 	cd $(DIR_APP) && ./configure $(EXTRA_CONFIG) FORCE_UNSAFE_CONFIGURE=1
 	cd $(DIR_APP) && make $(MAKETUNING)
 	cd $(DIR_APP) && make install
diff --git a/src/patches/tar/tar-1.35_Avoid_acl__prefix_for_functions.patch b/src/patches/tar/tar-1.35_Avoid_acl__prefix_for_functions.patch
new file mode 100644
index 000000000..66788ce77
--- /dev/null
+++ b/src/patches/tar/tar-1.35_Avoid_acl__prefix_for_functions.patch
@@ -0,0 +1,83 @@
+--- tar-1.35/src/xattrs.c.orig	2023-07-10 09:29:17.000000000 +0200
++++ tar-1.35/src/xattrs.c	2026-07-04 13:16:07.585006365 +0200
+@@ -139,13 +139,13 @@
+ #ifdef HAVE_POSIX_ACLS
+ 
+ /* acl-at wrappers, TODO: move to gnulib in future? */
+-static acl_t acl_get_file_at (int, const char *, acl_type_t);
+-static int acl_set_file_at (int, const char *, acl_type_t, acl_t);
++static acl_t tar_acl_get_file_at (int, const char *, acl_type_t);
++static int tar_acl_set_file_at (int, const char *, acl_type_t, acl_t);
+ static int file_has_acl_at (int, char const *, struct stat const *);
+-static int acl_delete_def_file_at (int, char const *);
++static int tar_acl_delete_def_file_at (int, char const *);
+ 
+-/* acl_get_file_at */
+-#define AT_FUNC_NAME acl_get_file_at
++/* tar_acl_get_file_at */
++#define AT_FUNC_NAME tar_acl_get_file_at
+ #define AT_FUNC_RESULT acl_t
+ #define AT_FUNC_FAIL (acl_t)NULL
+ #define AT_FUNC_F1 acl_get_file
+@@ -159,8 +159,8 @@
+ #undef AT_FUNC_POST_FILE_PARAM_DECLS
+ #undef AT_FUNC_POST_FILE_ARGS
+ 
+-/* acl_set_file_at */
+-#define AT_FUNC_NAME acl_set_file_at
++/* tar_acl_set_file_at */
++#define AT_FUNC_NAME tar_acl_set_file_at
+ #define AT_FUNC_F1 acl_set_file
+ #define AT_FUNC_POST_FILE_PARAM_DECLS   , acl_type_t type, acl_t acl
+ #define AT_FUNC_POST_FILE_ARGS          , type, acl
+@@ -170,8 +170,8 @@
+ #undef AT_FUNC_POST_FILE_PARAM_DECLS
+ #undef AT_FUNC_POST_FILE_ARGS
+ 
+-/* acl_delete_def_file_at */
+-#define AT_FUNC_NAME acl_delete_def_file_at
++/* tar_acl_delete_def_file_at */
++#define AT_FUNC_NAME tar_acl_delete_def_file_at
+ #define AT_FUNC_F1 acl_delete_def_file
+ #define AT_FUNC_POST_FILE_PARAM_DECLS
+ #define AT_FUNC_POST_FILE_ARGS
+@@ -299,10 +299,10 @@
+       /* No "default" IEEE 1003.1e ACL set for directory.  At this moment,
+          FILE_NAME may already have inherited default acls from parent
+          directory;  clean them up. */
+-      if (acl_delete_def_file_at (chdir_fd, file_name))
++      if (tar_acl_delete_def_file_at (chdir_fd, file_name))
+         WARNOPT (WARN_XATTR_WRITE,
+                 (0, errno,
+-                 _("acl_delete_def_file_at: Cannot drop default POSIX ACLs "
++                 _("tar_acl_delete_def_file_at: Cannot drop default POSIX ACLs "
+                    "for file '%s'"),
+                  file_name));
+       return;
+@@ -316,11 +316,11 @@
+       return;
+     }
+ 
+-  if (acl_set_file_at (chdir_fd, file_name, type, acl) == -1)
++  if (tar_acl_set_file_at (chdir_fd, file_name, type, acl) == -1)
+     /* warn even if filesystem does not support acls */
+     WARNOPT (WARN_XATTR_WRITE,
+ 	     (0, errno,
+-	      _ ("acl_set_file_at: Cannot set POSIX ACLs for file '%s'"),
++	      _ ("tar_acl_set_file_at: Cannot set POSIX ACLs for file '%s'"),
+ 	      file_name));
+ 
+   acl_free (acl);
+@@ -357,10 +357,10 @@
+   char *val = NULL;
+   acl_t acl;
+ 
+-  if (!(acl = acl_get_file_at (parentfd, file_name, type)))
++  if (!(acl = tar_acl_get_file_at (parentfd, file_name, type)))
+     {
+       if (errno != ENOTSUP)
+-        call_arg_warn ("acl_get_file_at", file_name);
++        call_arg_warn ("tar_acl_get_file_at", file_name);
+       return;
+     }
+ 
